Vulnerability Details : CVE-2011-0091

Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka "Kerberos Spoofing Vulnerability."
Published 2011-02-10 16:00:14
Updated 2018-10-30 16:27:21
Source Microsoft Corporation
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2011-0091

Exploit prediction scoring system (EPSS) score for CVE-2011-0091

EPSS FAQ
0.68%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-0091

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
 MEDIUM AV:N/AC:L/Au:N/C:P/I:P/A:N
10.0
4.9
 NIST

CWE ids for CVE-2011-0091

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-0091

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